NOAA Current Watches

* WHAT...For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. * WHERE...South Willamette Valley. * WHEN...For the Dense Fog Advisory, until 1 PM PST this afternoon. For the Air Stagnation Advisory, until 4 AM PST Saturday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. With temperatures at or just below freezing, fog droplets may freeze on contact with surfaces, with slick spots on roadways possible early Friday morning. * ADDITIONAL DETAILS...Fog will reform and increase across the south Willamette Valley this evening. Overall, temperatures will hold at or just above freezing overnight. But, a few spots will drop back below freezing. As such, motorists should be prepared for potentially icy or slick spots, especially on less-traveled rural roadways and bridges. Dense Fog Advisory 2024-12-06T10:46:00-08:00 2024-12-06T10:46:00-08:00 2024-12-06T10:46:00-08:00 2024-12-06T13:15:00-08:00 Actual Update Met Expected Moderate Likely Benton County Lowlands; Linn County Lowlands; Lane County Lowlands SAME 041003 SAME 041043 SAME 041039 UGC ORZ116 UGC ORZ117 UGC ORZ118 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 061846 NWSheadline DENSE FOG ADVISORY NOW IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXT.KPQR.FG.Y.0039.000000T0000Z-241206T2100Z/ eventEndingTime 2024-12-06T21:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.08fe7315120d197431d546c4dfcd89128dfddc2d.001.1,2024-12-05T16:03:00-08:00

* WHAT...For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. * WHERE...South Willamette Valley. * WHEN...For the Dense Fog Advisory, until 1 PM PST this afternoon. For the Air Stagnation Advisory, until 4 AM PST Saturday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. With temperatures at or just below freezing, fog droplets may freeze on contact with surfaces, with slick spots on roadways possible early Friday morning. * ADDITIONAL DETAILS...Fog will reform and increase across the south Willamette Valley this evening. Overall, temperatures will hold at or just above freezing overnight. But, a few spots will drop back below freezing. As such, motorists should be prepared for potentially icy or slick spots, especially on less-traveled rural roadways and bridges. Air Stagnation Advisory 2024-12-06T10:46:00-08:00 2024-12-06T10:46:00-08:00 2024-12-06T10:46:00-08:00 2024-12-06T13:15:00-08:00 Actual Update Met Expected Moderate Likely Benton County Lowlands; Linn County Lowlands; Lane County Lowlands SAME 041003 SAME 041043 SAME 041039 UGC ORZ116 UGC ORZ117 UGC ORZ118 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 061846 NWSheadline DENSE FOG ADVISORY NOW IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.AS.Y.0001.000000T0000Z-241207T1200Z/ eventEndingTime 2024-12-07T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.08fe7315120d197431d546c4dfcd89128dfddc2d.001.2,2024-12-05T16:03:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e60c8a47f5a51adb69ee26e57f9bbf9f73dc36d3.001.2,2024-12-05T10:52:00-08:00 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* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...Foothills of the Northern and Central Oregon Cascades, North and Central Coast Range Valleys of Oregon, Lower Columbia River and Cowlitz River Valleys, Central Willamette Valley, Tualatin Valley, Outer Southeast Portland Metro, Willapa and Wahkiakum Lowlands, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...Until 4 AM PST Saturday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-06T10:46:00-08:00 2024-12-06T10:46:00-08:00 2024-12-06T10:46:00-08:00 2024-12-06T13:15:00-08:00 Actual Update Met Expected Moderate Likely North Oregon Coast Range Lowlands; Central Oregon Coast Range Lowlands; Lower Columbia River; Tualatin Valley; Outer Southeast Portland Metro; West Central Willamette Valley; East Central Willamette Valley; Clackamas County Cascade Foothills; Cascade Foothills of Marion and Linn Counties; Lane County Cascade Foothills; Willapa and Wahkiakum Lowlands; Cowlitz County Lowlands; North Clark County Lowlands; South Washington Cascade Foothills SAME 041057 SAME 041007 SAME 041041 SAME 041067 SAME 041071 SAME 041039 SAME 041003 SAME 041053 SAME 041009 SAME 041051 SAME 041005 SAME 041047 SAME 041043 SAME 053049 SAME 053069 SAME 053015 SAME 053011 SAME 053059 UGC ORZ104 UGC ORZ105 UGC ORZ108 UGC ORZ109 UGC ORZ113 UGC ORZ114 UGC ORZ115 UGC ORZ123 UGC ORZ124 UGC ORZ125 UGC WAZ202 UGC WAZ204 UGC WAZ205 UGC WAZ208 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 061846 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.AS.Y.0001.000000T0000Z-241207T1200Z/ eventEndingTime 2024-12-07T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.08fe7315120d197431d546c4dfcd89128dfddc2d.002.1,2024-12-05T16:03:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e60c8a47f5a51adb69ee26e57f9bbf9f73dc36d3.002.1,2024-12-05T10:52:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a8510cd448115b39edd6b52fa820bfb0845be5aa.002.1,2024-12-04T22:18:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f20f462406dbfb6de1f5b28d61628b8ea0ffdd3b.003.1,2024-12-05T06:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f20f462406dbfb6de1f5b28d61628b8ea0ffdd3b.001.2,2024-12-05T06:30:00-08:00 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Dense freezing fog has formed again along Interstate 84 east of Pendleton, on Cabbage Hill. In the LaGrande area, patchy dense freezing fog was also occurring, along with very cold temperatures. Visibilities of less than one half mile were occurring in these areas. Motorists are urged to use caution when traveling on Interstate 84 east of Pendleton through the morning hours due to low visibilities and patches of ice. Special Weather Statement 2024-12-06T06:09:00-08:00 2024-12-06T06:09:00-08:00 2024-12-06T06:09:00-08:00 2024-12-06T11:00:00-08:00 Actual Alert Met Expected Moderate Observed Grande Ronde Valley; Foothills of the Northern Blue Mountains of Oregon SAME 041061 SAME 041059 UGC ORZ049 UGC ORZ507 AWIPSidentifier SPSPDT WMOidentifier WWUS86 KPDT 061409 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR

* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...Inner Vancouver Metro. * WHEN...Until 4 AM PST Saturday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-06T03:37:00-08:00 2024-12-06T03:37:00-08:00 2024-12-06T03:37:00-08:00 2024-12-06T11:00:00-08:00 Actual Update Met Expected Moderate Likely Inner Vancouver Metro SAME 053011 UGC WAZ206 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 061137 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.AS.Y.0001.000000T0000Z-241207T1200Z/ eventEndingTime 2024-12-07T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e60c8a47f5a51adb69ee26e57f9bbf9f73dc36d3.003.1,2024-12-05T10:52:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a8510cd448115b39edd6b52fa820bfb0845be5aa.003.1,2024-12-04T22:18:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f20f462406dbfb6de1f5b28d61628b8ea0ffdd3b.004.1,2024-12-05T06:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.87818e6131d3d52d8ce8a9e00d41d465432ef5d4.004.1,2024-12-05T03:32:00-08:00 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* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...Foothills of the Northern and Central Oregon Cascades, North and Central Coast Range Valleys of Oregon, Lower Columbia River and Cowlitz River Valleys, Central Willamette Valley, Tualatin Valley, Outer Southeast Portland Metro, Willapa and Wahkiakum Lowlands, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...Until 4 AM PST Saturday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-06T03:37:00-08:00 2024-12-06T03:37:00-08:00 2024-12-06T03:37:00-08:00 2024-12-06T11:00:00-08:00 Actual Update Met Expected Moderate Likely North Oregon Coast Range Lowlands; Central Oregon Coast Range Lowlands; Lower Columbia River; Tualatin Valley; Outer Southeast Portland Metro; West Central Willamette Valley; East Central Willamette Valley; Clackamas County Cascade Foothills; Cascade Foothills of Marion and Linn Counties; Lane County Cascade Foothills; Willapa and Wahkiakum Lowlands; Cowlitz County Lowlands; North Clark County Lowlands; South Washington Cascade Foothills SAME 041057 SAME 041007 SAME 041041 SAME 041067 SAME 041071 SAME 041039 SAME 041003 SAME 041053 SAME 041009 SAME 041051 SAME 041005 SAME 041047 SAME 041043 SAME 053049 SAME 053069 SAME 053015 SAME 053011 SAME 053059 UGC ORZ104 UGC ORZ105 UGC ORZ108 UGC ORZ109 UGC ORZ113 UGC ORZ114 UGC ORZ115 UGC ORZ123 UGC ORZ124 UGC ORZ125 UGC WAZ202 UGC WAZ204 UGC WAZ205 UGC WAZ208 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 061137 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.AS.Y.0001.000000T0000Z-241207T1200Z/ eventEndingTime 2024-12-07T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e60c8a47f5a51adb69ee26e57f9bbf9f73dc36d3.002.1,2024-12-05T10:52:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a8510cd448115b39edd6b52fa820bfb0845be5aa.002.1,2024-12-04T22:18:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f20f462406dbfb6de1f5b28d61628b8ea0ffdd3b.003.1,2024-12-05T06:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f20f462406dbfb6de1f5b28d61628b8ea0ffdd3b.001.2,2024-12-05T06:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.87818e6131d3d52d8ce8a9e00d41d465432ef5d4.003.1,2024-12-05T03:32:00-08:00 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w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.002.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.001.2,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.006.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.005.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.003.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.002.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.001.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.005.1,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.003.2,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.002.2,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.001.2,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2e43107565bb75e40151c4e5a51b4e379352916c.003.1,2024-11-27T20:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2e43107565bb75e40151c4e5a51b4e379352916c.002.1,2024-11-27T20:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2e43107565bb75e40151c4e5a51b4e379352916c.001.2,2024-11-27T20:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e687fb99ac77517c94d13096528e22603fa46c74.003.1,2024-11-27T16:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e687fb99ac77517c94d13096528e22603fa46c74.002.1,2024-11-27T16:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3e384f61e5e30bc09e3bf73f0378b067870211cd.002.1,2024-11-27T12:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3e384f61e5e30bc09e3bf73f0378b067870211cd.001.1,2024-11-27T12:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7da93e300caaa1066d3cf61e9144c4b03b63b156.004.1,2024-11-27T10:55:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7da93e300caaa1066d3cf61e9144c4b03b63b156.003.1,2024-11-27T10:55:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7da93e300caaa1066d3cf61e9144c4b03b63b156.001.2,2024-11-27T10:55:00-08:00

* WHAT...For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. * WHERE...South Willamette Valley. * WHEN...For the Air Stagnation Advisory, until 4 AM PST Saturday. For the Dense Fog Advisory, until 11 AM PST this morning. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. With temperatures at or just below freezing, fog droplets may freeze on contact with surfaces, with slick spots on roadways possible early Friday morning. Dense Fog Advisory 2024-12-06T03:37:00-08:00 2024-12-06T03:37:00-08:00 2024-12-06T03:37:00-08:00 2024-12-06T11:00:00-08:00 Actual Update Met Expected Moderate Likely Benton County Lowlands; Linn County Lowlands; Lane County Lowlands SAME 041003 SAME 041043 SAME 041039 UGC ORZ116 UGC ORZ117 UGC ORZ118 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 061137 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SATURDAY... ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS MORNING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.FG.Y.0039.000000T0000Z-241206T1900Z/ eventEndingTime 2024-12-06T19:00:00+00:00

* WHAT...For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. * WHERE...South Willamette Valley. * WHEN...For the Air Stagnation Advisory, until 4 AM PST Saturday. For the Dense Fog Advisory, until 11 AM PST this morning. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. With temperatures at or just below freezing, fog droplets may freeze on contact with surfaces, with slick spots on roadways possible early Friday morning. Air Stagnation Advisory 2024-12-06T03:37:00-08:00 2024-12-06T03:37:00-08:00 2024-12-06T03:37:00-08:00 2024-12-06T11:00:00-08:00 Actual Update Met Expected Moderate Likely Benton County Lowlands; Linn County Lowlands; Lane County Lowlands SAME 041003 SAME 041043 SAME 041039 UGC ORZ116 UGC ORZ117 UGC ORZ118 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 061137 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SATURDAY... ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS MORNING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.AS.Y.0001.000000T0000Z-241207T1200Z/ eventEndingTime 2024-12-07T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e60c8a47f5a51adb69ee26e57f9bbf9f73dc36d3.001.2,2024-12-05T10:52:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a8510cd448115b39edd6b52fa820bfb0845be5aa.001.1,2024-12-04T22:18:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f20f462406dbfb6de1f5b28d61628b8ea0ffdd3b.002.1,2024-12-05T06:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.87818e6131d3d52d8ce8a9e00d41d465432ef5d4.002.1,2024-12-05T03:32:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d3c9eb102f71540f560d8affc7bd8f08a6c5473b.001.2,2024-12-04T17:04:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.48d2ffac87d57b7b2cf1f7272e2e5d0041d3f561.001.2,2024-12-04T11:59:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5dd9f92a7e38919c65f0111c218b77fc42fad824.002.1,2024-12-04T09:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.067f3fa047ed72231e3a84a0d68d4836c5f5ee4d.001.1,2024-12-04T02:36:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8cc1e43dab4fb0dac690e433210529b448df9133.001.2,2024-12-03T17:08:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.312ae7f357b1f56eb5b6d55da72213a88b859445.001.1,2024-12-03T11:41:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ff526f5c84320257eef539769e436012fd7e09fc.001.1,2024-12-03T04:27:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.34062e9bf0afc33feba171ea0c13ffa36d53444b.002.1,2024-12-02T20:14:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.0c333b54942b118cdc389c0938db5f92bb04096f.001.2,2024-12-02T16:44:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e3349c783618c6f24a0dd39e6f0f2c9a3d089ae7.001.2,2024-12-02T10:54:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.4c5a9b8571cb63891b04476170c08430195c2b8f.002.1,2024-12-02T04:02:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.64670f7cd7a29a82370ee72b3e18ba136ad108c7.001.1,2024-12-01T12:18:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.026db90e026c23795575c98d4158372e73dfc7d8.002.2,2024-12-01T16:42:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1d6558ac1d50f13795a18801016639790d051bf7.002.1,2024-12-01T12:04:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.77418e60d6ce0d21f718d6a86125be67157f0a7a.001.1,2024-12-01T12:12:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.493f8fdb6b41823a887fea75ef3758f9ef8a3b0f.003.2,2024-12-01T11:53:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.493f8fdb6b41823a887fea75ef3758f9ef8a3b0f.001.2,2024-12-01T11:53:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.624fe1f039f7ebb3460638180d38b0bcea8a9d1e.005.1,2024-12-01T09:34:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.624fe1f039f7ebb3460638180d38b0bcea8a9d1e.004.1,2024-12-01T09:34:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f4e7a2b84aa6253cd5f571b251e46b75c95ef583.004.2,2024-12-01T08:16:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f4e7a2b84aa6253cd5f571b251e46b75c95ef583.001.2,2024-12-01T08:16:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a4b59ebc83676d657dbb3ed8640dcc6b78cb77d9.002.1,2024-12-01T01:32:00-08:00 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w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6f37457e270fa55fa866b6aa22a4acd53ec81671.001.1,2024-11-28T14:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d28e420adcd0dbfde8d3dabe234299df3b403222.004.1,2024-11-28T08:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.001.2,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.001.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.001.2,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2e43107565bb75e40151c4e5a51b4e379352916c.002.1,2024-11-27T20:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e687fb99ac77517c94d13096528e22603fa46c74.001.1,2024-11-27T16:50:00-08:00

* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...Foothills of the Northern and Central Oregon Cascades, North and Central Coast Range Valleys of Oregon, Lower Columbia River and Cowlitz River Valleys, Central Willamette Valley, Tualatin Valley, Outer Southeast Portland Metro, Willapa and Wahkiakum Lowlands, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...Until 4 AM PST Saturday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-06T03:37:00-08:00 2024-12-06T03:37:00-08:00 2024-12-06T03:37:00-08:00 2024-12-06T11:00:00-08:00 Actual Update Met Expected Moderate Likely North Oregon Coast Range Lowlands; Central Oregon Coast Range Lowlands; Lower Columbia River; Tualatin Valley; Outer Southeast Portland Metro; West Central Willamette Valley; East Central Willamette Valley; Clackamas County Cascade Foothills; Cascade Foothills of Marion and Linn Counties; Lane County Cascade Foothills; Willapa and Wahkiakum Lowlands; Cowlitz County Lowlands; North Clark County Lowlands; South Washington Cascade Foothills SAME 041057 SAME 041007 SAME 041041 SAME 041067 SAME 041071 SAME 041039 SAME 041003 SAME 041053 SAME 041009 SAME 041051 SAME 041005 SAME 041047 SAME 041043 SAME 053049 SAME 053069 SAME 053015 SAME 053011 SAME 053059 UGC ORZ104 UGC ORZ105 UGC ORZ108 UGC ORZ109 UGC ORZ113 UGC ORZ114 UGC ORZ115 UGC ORZ123 UGC ORZ124 UGC ORZ125 UGC WAZ202 UGC WAZ204 UGC WAZ205 UGC WAZ208 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 061137 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.AS.Y.0001.000000T0000Z-241207T1200Z/ eventEndingTime 2024-12-07T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e60c8a47f5a51adb69ee26e57f9bbf9f73dc36d3.002.1,2024-12-05T10:52:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a8510cd448115b39edd6b52fa820bfb0845be5aa.002.1,2024-12-04T22:18:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f20f462406dbfb6de1f5b28d61628b8ea0ffdd3b.003.1,2024-12-05T06:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f20f462406dbfb6de1f5b28d61628b8ea0ffdd3b.001.2,2024-12-05T06:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.87818e6131d3d52d8ce8a9e00d41d465432ef5d4.003.1,2024-12-05T03:32:00-08:00 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* WHAT...Visibility one quarter of a mile or less in freezing fog. * WHERE...Central Oregon. * WHEN...Until 11 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. Freezing Fog Advisory 2024-12-06T03:02:00-08:00 2024-12-06T03:02:00-08:00 2024-12-06T03:02:00-08:00 2024-12-06T11:00:00-08:00 Actual Update Met Expected Moderate Likely Central Oregon SAME 041013 SAME 041017 SAME 041031 UGC ORZ511 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 061102 NWSheadline FREEZING FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS MORNING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.ZF.Y.0011.000000T0000Z-241206T1900Z/ eventEndingTime 2024-12-06T19:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e9a0afc80c1d9036f4d3a4a04319fbbc240a2750.001.1,2024-12-05T10:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6a8bca357eb4087530ca83b4c1f529e23f1c8697.003.1,2024-12-05T06:07:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a9f17b40974f88a0db3689e56fa9ac913884a1b2.003.1,2024-12-04T17:42:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.86b8da04ee5fbf99e28335a8107bff4e1aaea39b.003.1,2024-12-04T10:45:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f148a675173efdb6b18e3cc09ecbb78b90cc3f27.003.1,2024-12-04T06:03:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.0abb189538f39f2ce43751ff89f096e7bb6199f0.003.1,2024-12-03T19:32:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a090c3c8787c7d30d01ee9c14c265d9d8b504451.002.1,2024-12-03T10:40:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.bfcf16f50050d6e90a88e7c5da5f88e5e8aa1429.002.1,2024-12-03T04:59:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e89c8c37ba7d46e2a8913729592d5b419620c629.001.1,2024-12-02T18:45:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e41197bcddc488e7bd6dafb3de9735020cfe77ae.001.1,2024-12-02T04:59:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8e2c44abacb066283238496064351fdfa6542cf4.001.1,2024-12-02T10:08:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f3862b1d282acb9c0f8d1eb6633119423fc4e11e.001.1,2024-12-01T17:11:00-08:00

* WHAT...Visibility one quarter of a mile or less in freezing fog. * WHERE...Foothills of the Southern Blue Mountains of Oregon and North Central Oregon. * WHEN...Until 11 AM PST this morning. * IMPACTS...Low visibility and slick roads could make driving conditions hazardous. Freezing Fog Advisory 2024-12-06T03:02:00-08:00 2024-12-06T03:02:00-08:00 2024-12-06T03:02:00-08:00 2024-12-06T11:00:00-08:00 Actual Update Met Expected Moderate Likely Foothills of the Southern Blue Mountains of Oregon; North Central Oregon SAME 041021 SAME 041049 SAME 041069 SAME 041055 SAME 041065 UGC ORZ508 UGC ORZ510 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 061102 NWSheadline FREEZING FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS MORNING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.ZF.Y.0011.000000T0000Z-241206T1900Z/ eventEndingTime 2024-12-06T19:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6a8bca357eb4087530ca83b4c1f529e23f1c8697.002.1,2024-12-05T06:07:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a9f17b40974f88a0db3689e56fa9ac913884a1b2.002.1,2024-12-04T17:42:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.86b8da04ee5fbf99e28335a8107bff4e1aaea39b.002.1,2024-12-04T10:45:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f148a675173efdb6b18e3cc09ecbb78b90cc3f27.002.1,2024-12-04T06:03:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.0abb189538f39f2ce43751ff89f096e7bb6199f0.002.1,2024-12-03T19:32:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a090c3c8787c7d30d01ee9c14c265d9d8b504451.001.1,2024-12-03T10:40:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.bfcf16f50050d6e90a88e7c5da5f88e5e8aa1429.001.1,2024-12-03T04:59:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e89c8c37ba7d46e2a8913729592d5b419620c629.002.1,2024-12-02T18:45:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.0f3bb079d5947ebd4045a17477176654e18b62c8.001.1,2024-12-02T14:58:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d23cdfaa9d504be16f7a9fb95153acf5ef3ea68f.002.1,2024-12-02T11:17:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.03fb3b3384950c963a924be4006cb6d3c7ed404d.001.1,2024-12-02T10:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8e2c44abacb066283238496064351fdfa6542cf4.002.1,2024-12-02T10:08:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e41197bcddc488e7bd6dafb3de9735020cfe77ae.001.1,2024-12-02T04:59:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f3862b1d282acb9c0f8d1eb6633119423fc4e11e.001.1,2024-12-01T17:11:00-08:00

* WHAT...Visibility one quarter of a mile or less in freezing fog. * WHERE...John Day Basin. * WHEN...Until 11 AM PST this morning. * IMPACTS...Low visibility and slick roads could make driving conditions hazardous. Freezing Fog Advisory 2024-12-06T03:02:00-08:00 2024-12-06T03:02:00-08:00 2024-12-06T03:02:00-08:00 2024-12-06T11:00:00-08:00 Actual Update Met Expected Moderate Likely John Day Basin SAME 041023 SAME 041031 SAME 041049 SAME 041065 SAME 041069 UGC ORZ505 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 061102 NWSheadline FREEZING FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS MORNING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.ZF.Y.0011.000000T0000Z-241206T1900Z/ eventEndingTime 2024-12-06T19:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e9a0afc80c1d9036f4d3a4a04319fbbc240a2750.001.1,2024-12-05T10:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6a8bca357eb4087530ca83b4c1f529e23f1c8697.001.1,2024-12-05T06:07:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a9f17b40974f88a0db3689e56fa9ac913884a1b2.001.1,2024-12-04T17:42:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.86b8da04ee5fbf99e28335a8107bff4e1aaea39b.001.1,2024-12-04T10:45:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f148a675173efdb6b18e3cc09ecbb78b90cc3f27.001.1,2024-12-04T06:03:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.0abb189538f39f2ce43751ff89f096e7bb6199f0.001.1,2024-12-03T19:32:00-08:00

Dense freezing fog has formed again along Interstate 84 east of Pendleton, on Cabbage Hill. Visibilities of less than one quarter mile were occurring in this area. Motorists are urged to use caution when traveling on this stretch of interstate through the morning hours due to low visibilities and patches of ice. Special Weather Statement 2024-12-06T02:50:00-08:00 2024-12-06T02:50:00-08:00 2024-12-06T02:50:00-08:00 2024-12-06T11:00:00-08:00 Actual Alert Met Expected Moderate Observed Foothills of the Northern Blue Mountains of Oregon SAME 041059 UGC ORZ507 AWIPSidentifier SPSPDT WMOidentifier WWUS86 KPDT 061050 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR

* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory in valleys, an extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Treasure Valley Zones and the Weiser Basin. * WHEN...For the Dense Fog Advisory, until 11 AM MST Saturday. For the Air Stagnation Advisory, until 5 PM MST Saturday. * IMPACTS...Low visibility could make driving conditions hazardous. Poor air quality may cause issues for people with respiratory problems. * ADDITIONAL DETAILS...Fog could produce patchy black ice and slick roads. Dense Fog Advisory 2024-12-06T01:25:00-07:00 2024-12-06T01:25:00-07:00 2024-12-06T01:25:00-07:00 2024-12-06T15:15:00-07:00 Actual Update Met Expected Moderate Likely Lower Treasure Valley; Upper Treasure Valley; Upper Weiser River; Oregon Lower Treasure Valley SAME 016027 SAME 016045 SAME 016073 SAME 016075 SAME 016087 SAME 016001 SAME 016039 SAME 016003 SAME 041045 UGC IDZ012 UGC IDZ014 UGC IDZ033 UGC ORZ064 AWIPSidentifier NPWBOI WMOidentifier WWUS75 KBOI 060825 NWSheadline DENSE FOG ADVISORY NOW IN EFFECT UNTIL 11 AM MST SATURDAY... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SATURDAY IN VALLEYS BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXT.KBOI.FG.Y.0015.000000T0000Z-241207T1800Z/ eventEndingTime 2024-12-07T18:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ba8b4c96786e4875d687726687ad191ff700ed81.001.1,2024-12-04T09:16:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6917a7f936012fd8cc5bae392e64d28ace1cd5f8.002.2,2024-12-03T10:39:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6917a7f936012fd8cc5bae392e64d28ace1cd5f8.001.1,2024-12-03T10:39:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8369e9e046865ac1f4bc181877ed8fba21856146.002.2,2024-12-04T03:05:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8369e9e046865ac1f4bc181877ed8fba21856146.001.2,2024-12-04T03:05:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.77ecdddf9b7e8d195b7d677e5161864d61b6d4e3.001.1,2024-12-03T13:48:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ccbcca6cdef8951c8fc2da27f575719998bb9c0c.002.2,2024-12-03T18:38:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ccbcca6cdef8951c8fc2da27f575719998bb9c0c.001.1,2024-12-03T18:38:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.137dd67a70e90ab60864f344f0883c520d2dbb25.001.1,2024-12-02T16:53:00-07:00

* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory in valleys, an extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Treasure Valley Zones and the Weiser Basin. * WHEN...For the Dense Fog Advisory, until 11 AM MST Saturday. For the Air Stagnation Advisory, until 5 PM MST Saturday. * IMPACTS...Low visibility could make driving conditions hazardous. Poor air quality may cause issues for people with respiratory problems. * ADDITIONAL DETAILS...Fog could produce patchy black ice and slick roads. Air Stagnation Advisory 2024-12-06T01:25:00-07:00 2024-12-06T01:25:00-07:00 2024-12-06T01:25:00-07:00 2024-12-06T15:15:00-07:00 Actual Update Met Expected Moderate Likely Lower Treasure Valley; Upper Treasure Valley; Upper Weiser River; Oregon Lower Treasure Valley SAME 016027 SAME 016045 SAME 016073 SAME 016075 SAME 016087 SAME 016001 SAME 016039 SAME 016003 SAME 041045 UGC IDZ012 UGC IDZ014 UGC IDZ033 UGC ORZ064 AWIPSidentifier NPWBOI WMOidentifier WWUS75 KBOI 060825 NWSheadline DENSE FOG ADVISORY NOW IN EFFECT UNTIL 11 AM MST SATURDAY... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SATURDAY IN VALLEYS BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KBOI.AS.Y.0002.000000T0000Z-241208T0000Z/ eventEndingTime 2024-12-08T00:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ba8b4c96786e4875d687726687ad191ff700ed81.002.1,2024-12-04T09:16:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ba8b4c96786e4875d687726687ad191ff700ed81.001.2,2024-12-04T09:16:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6917a7f936012fd8cc5bae392e64d28ace1cd5f8.003.1,2024-12-03T10:39:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6917a7f936012fd8cc5bae392e64d28ace1cd5f8.002.1,2024-12-03T10:39:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6917a7f936012fd8cc5bae392e64d28ace1cd5f8.001.2,2024-12-03T10:39:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8369e9e046865ac1f4bc181877ed8fba21856146.003.1,2024-12-04T03:05:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8369e9e046865ac1f4bc181877ed8fba21856146.002.1,2024-12-04T03:05:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8369e9e046865ac1f4bc181877ed8fba21856146.001.1,2024-12-04T03:05:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.77ecdddf9b7e8d195b7d677e5161864d61b6d4e3.002.1,2024-12-03T13:48:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.77ecdddf9b7e8d195b7d677e5161864d61b6d4e3.001.2,2024-12-03T13:48:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ccbcca6cdef8951c8fc2da27f575719998bb9c0c.003.1,2024-12-03T18:38:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ccbcca6cdef8951c8fc2da27f575719998bb9c0c.002.1,2024-12-03T18:38:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ccbcca6cdef8951c8fc2da27f575719998bb9c0c.001.2,2024-12-03T18:38:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.137dd67a70e90ab60864f344f0883c520d2dbb25.002.1,2024-12-02T16:53:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.137dd67a70e90ab60864f344f0883c520d2dbb25.001.2,2024-12-02T16:53:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.00893a8d1350d5dc084db742860dcce192aa6747.002.1,2024-12-02T13:52:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.00893a8d1350d5dc084db742860dcce192aa6747.001.2,2024-12-02T13:52:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e0b810ec120b58252cac3ed09726b1ae2c397903.002.1,2024-12-02T09:43:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e0b810ec120b58252cac3ed09726b1ae2c397903.001.2,2024-12-02T09:43:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2c6f04f53508d11ae9c4b107f0c3937b3c52e6a7.002.1,2024-12-01T16:59:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2c6f04f53508d11ae9c4b107f0c3937b3c52e6a7.001.2,2024-12-01T16:59:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c91b3dc6d064093173e972c6c3c0a4a327405830.002.1,2024-12-01T13:51:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c91b3dc6d064093173e972c6c3c0a4a327405830.001.2,2024-12-01T13:51:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.54b7727f1bac15e9971216b3730ed18b1095c616.002.1,2024-12-01T11:48:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.54b7727f1bac15e9971216b3730ed18b1095c616.001.2,2024-12-01T11:48:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.b682194244eca9ed2e55bfb5408b48e7999c9171.001.1,2024-11-30T13:38:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.09939f1f9e601772fbcf0bbf9bfe328716a453c4.002.1,2024-12-01T08:01:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.09939f1f9e601772fbcf0bbf9bfe328716a453c4.001.2,2024-12-01T08:01:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.22e45d1ee25ac3ce7540badf1dd139731c51402c.001.1,2024-11-29T13:11:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.97a2eca6896fedb585f0cf5edc06c1d06a005abf.001.1,2024-11-29T03:02:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.09553975593c16f95b3d5f53d57211095f3a7f57.001.1,2024-11-28T14:15:00-07:00

* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants in valleys. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 5 PM MST /4 PM PST/ Saturday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-06T01:25:00-07:00 2024-12-06T01:25:00-07:00 2024-12-06T01:25:00-07:00 2024-12-06T15:15:00-07:00 Actual Update Met Expected Moderate Likely West Central Mountains; Boise Mountains; Western Magic Valley; Camas Prairie; Harney County; Baker County; Malheur County SAME 016003 SAME 016045 SAME 016085 SAME 016087 SAME 016015 SAME 016025 SAME 016039 SAME 016047 SAME 016053 SAME 016083 SAME 041025 SAME 041001 SAME 041045 UGC IDZ011 UGC IDZ013 UGC IDZ016 UGC IDZ028 UGC ORZ061 UGC ORZ062 UGC ORZ063 AWIPSidentifier NPWBOI WMOidentifier WWUS75 KBOI 060825 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST /4 PM PST/ SATURDAY IN VALLEYS BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KBOI.AS.Y.0002.000000T0000Z-241208T0000Z/ eventEndingTime 2024-12-08T00:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ba8b4c96786e4875d687726687ad191ff700ed81.002.1,2024-12-04T09:16:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6917a7f936012fd8cc5bae392e64d28ace1cd5f8.003.1,2024-12-03T10:39:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8369e9e046865ac1f4bc181877ed8fba21856146.003.1,2024-12-04T03:05:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.77ecdddf9b7e8d195b7d677e5161864d61b6d4e3.002.1,2024-12-03T13:48:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ccbcca6cdef8951c8fc2da27f575719998bb9c0c.003.1,2024-12-03T18:38:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.137dd67a70e90ab60864f344f0883c520d2dbb25.002.1,2024-12-02T16:53:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.00893a8d1350d5dc084db742860dcce192aa6747.002.1,2024-12-02T13:52:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e0b810ec120b58252cac3ed09726b1ae2c397903.002.1,2024-12-02T09:43:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2c6f04f53508d11ae9c4b107f0c3937b3c52e6a7.002.1,2024-12-01T16:59:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c91b3dc6d064093173e972c6c3c0a4a327405830.002.1,2024-12-01T13:51:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.54b7727f1bac15e9971216b3730ed18b1095c616.002.1,2024-12-01T11:48:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.b682194244eca9ed2e55bfb5408b48e7999c9171.001.1,2024-11-30T13:38:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.09939f1f9e601772fbcf0bbf9bfe328716a453c4.002.1,2024-12-01T08:01:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.22e45d1ee25ac3ce7540badf1dd139731c51402c.001.1,2024-11-29T13:11:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.97a2eca6896fedb585f0cf5edc06c1d06a005abf.001.1,2024-11-29T03:02:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.09553975593c16f95b3d5f53d57211095f3a7f57.001.1,2024-11-28T14:15:00-07:00

* WHAT...Visibility one quarter of a mile or less in freezing fog. * WHERE...Foothills of the Southern Blue Mountains of Oregon and North Central Oregon. * WHEN...Until 11 AM PST Friday. * IMPACTS...Low visibility and slick roads could make driving conditions hazardous. Freezing Fog Advisory 2024-12-05T17:17:00-08:00 2024-12-05T17:17:00-08:00 2024-12-05T17:17:00-08:00 2024-12-06T07:00:00-08:00 Actual Update Met Expected Moderate Likely Foothills of the Southern Blue Mountains of Oregon; North Central Oregon SAME 041021 SAME 041049 SAME 041069 SAME 041055 SAME 041065 UGC ORZ508 UGC ORZ510 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 060117 NWSheadline FREEZING FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST FRIDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.ZF.Y.0011.000000T0000Z-241206T1900Z/ eventEndingTime 2024-12-06T19:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6a8bca357eb4087530ca83b4c1f529e23f1c8697.002.1,2024-12-05T06:07:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a9f17b40974f88a0db3689e56fa9ac913884a1b2.002.1,2024-12-04T17:42:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.86b8da04ee5fbf99e28335a8107bff4e1aaea39b.002.1,2024-12-04T10:45:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f148a675173efdb6b18e3cc09ecbb78b90cc3f27.002.1,2024-12-04T06:03:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.0abb189538f39f2ce43751ff89f096e7bb6199f0.002.1,2024-12-03T19:32:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a090c3c8787c7d30d01ee9c14c265d9d8b504451.001.1,2024-12-03T10:40:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.bfcf16f50050d6e90a88e7c5da5f88e5e8aa1429.001.1,2024-12-03T04:59:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e89c8c37ba7d46e2a8913729592d5b419620c629.002.1,2024-12-02T18:45:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.0f3bb079d5947ebd4045a17477176654e18b62c8.001.1,2024-12-02T14:58:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d23cdfaa9d504be16f7a9fb95153acf5ef3ea68f.002.1,2024-12-02T11:17:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.03fb3b3384950c963a924be4006cb6d3c7ed404d.001.1,2024-12-02T10:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8e2c44abacb066283238496064351fdfa6542cf4.002.1,2024-12-02T10:08:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e41197bcddc488e7bd6dafb3de9735020cfe77ae.001.1,2024-12-02T04:59:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f3862b1d282acb9c0f8d1eb6633119423fc4e11e.001.1,2024-12-01T17:11:00-08:00

* WHAT...Visibility one quarter of a mile or less in freezing fog. * WHERE...Central Oregon. * WHEN...Until 11 AM PST Friday. * IMPACTS...Low visibility and slick roads could make driving conditions hazardous. Freezing Fog Advisory 2024-12-05T17:17:00-08:00 2024-12-05T17:17:00-08:00 2024-12-05T17:17:00-08:00 2024-12-06T07:00:00-08:00 Actual Alert Met Expected Moderate Likely Central Oregon SAME 041013 SAME 041017 SAME 041031 UGC ORZ511 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 060117 NWSheadline FREEZING FOG ADVISORY IN EFFECT UNTIL 11 AM PST FRIDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXA.KPDT.ZF.Y.0011.000000T0000Z-241206T1900Z/ eventEndingTime 2024-12-06T19:00:00+00:00

* WHAT...Visibility one quarter of a mile or less in freezing fog. * WHERE...John Day Basin. * WHEN...Until 11 AM PST Friday. * IMPACTS...Low visibility and slick roads could make driving conditions hazardous. Freezing Fog Advisory 2024-12-05T17:17:00-08:00 2024-12-05T17:17:00-08:00 2024-12-05T17:17:00-08:00 2024-12-06T07:00:00-08:00 Actual Update Met Expected Moderate Likely John Day Basin SAME 041023 SAME 041031 SAME 041049 SAME 041065 SAME 041069 UGC ORZ505 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 060117 NWSheadline FREEZING FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST FRIDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.ZF.Y.0011.000000T0000Z-241206T1900Z/ eventEndingTime 2024-12-06T19:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e9a0afc80c1d9036f4d3a4a04319fbbc240a2750.001.1,2024-12-05T10:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6a8bca357eb4087530ca83b4c1f529e23f1c8697.001.1,2024-12-05T06:07:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a9f17b40974f88a0db3689e56fa9ac913884a1b2.001.1,2024-12-04T17:42:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.86b8da04ee5fbf99e28335a8107bff4e1aaea39b.001.1,2024-12-04T10:45:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f148a675173efdb6b18e3cc09ecbb78b90cc3f27.001.1,2024-12-04T06:03:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.0abb189538f39f2ce43751ff89f096e7bb6199f0.001.1,2024-12-03T19:32:00-08:00

* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...Foothills of the Northern and Central Oregon Cascades, North and Central Coast Range Valleys of Oregon, Lower Columbia River and Cowlitz River Valleys, Central Willamette Valley, Tualatin Valley, Outer Southeast Portland Metro, Willapa and Wahkiakum Lowlands, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...Until 4 AM PST Saturday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-05T16:03:00-08:00 2024-12-05T16:03:00-08:00 2024-12-05T16:03:00-08:00 2024-12-06T07:15:00-08:00 Actual Update Met Expected Moderate Likely North Oregon Coast Range Lowlands; Central Oregon Coast Range Lowlands; Lower Columbia River; Tualatin Valley; Outer Southeast Portland Metro; West Central Willamette Valley; East Central Willamette Valley; Clackamas County Cascade Foothills; Cascade Foothills of Marion and Linn Counties; Lane County Cascade Foothills; Willapa and Wahkiakum Lowlands; Cowlitz County Lowlands; North Clark County Lowlands; South Washington Cascade Foothills SAME 041057 SAME 041007 SAME 041041 SAME 041067 SAME 041071 SAME 041039 SAME 041003 SAME 041053 SAME 041009 SAME 041051 SAME 041005 SAME 041047 SAME 041043 SAME 053049 SAME 053069 SAME 053015 SAME 053011 SAME 053059 UGC ORZ104 UGC ORZ105 UGC ORZ108 UGC ORZ109 UGC ORZ113 UGC ORZ114 UGC ORZ115 UGC ORZ123 UGC ORZ124 UGC ORZ125 UGC WAZ202 UGC WAZ204 UGC WAZ205 UGC WAZ208 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 060003 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.AS.Y.0001.000000T0000Z-241207T1200Z/ eventEndingTime 2024-12-07T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a8510cd448115b39edd6b52fa820bfb0845be5aa.002.1,2024-12-04T22:18:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f20f462406dbfb6de1f5b28d61628b8ea0ffdd3b.003.1,2024-12-05T06:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f20f462406dbfb6de1f5b28d61628b8ea0ffdd3b.001.2,2024-12-05T06:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.87818e6131d3d52d8ce8a9e00d41d465432ef5d4.003.1,2024-12-05T03:32:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.87818e6131d3d52d8ce8a9e00d41d465432ef5d4.001.2,2024-12-05T03:32:00-08:00 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